Switch full-codegen from StackHandlers to handler table.

src/arm/code-stubs-arm.cc

Index: src/arm/code-stubs-arm.cc
diff --git a/src/arm/code-stubs-arm.cc b/src/arm/code-stubs-arm.cc
index 664abe027190dd251397031a042a756fab6fd55b..0d8f3bd916d8b0f3f6e7b018b0eb408776c40258 100644
--- a/src/arm/code-stubs-arm.cc
+++ b/src/arm/code-stubs-arm.cc
@@ -1076,9 +1076,8 @@ void CEntryStub::Generate(MacroAssembler* masm) {
   __ mov(fp, Operand(pending_handler_fp_address));
   __ ldr(fp, MemOperand(fp));
 
-  // If the handler is a JS frame, restore the context to the frame.
-  // (kind == ENTRY) == (fp == 0) == (cp == 0), so we could test either fp
-  // or cp.
+  // If the handler is a JS frame, restore the context to the frame. Note that
+  // the context will be set to (cp == 0) for non-JS frames.
   __ cmp(cp, Operand(0));
   __ str(cp, MemOperand(fp, StandardFrameConstants::kContextOffset), ne);
 
@@ -1181,7 +1180,7 @@ void JSEntryStub::Generate(MacroAssembler* masm) {
     handler_offset_ = handler_entry.pos();
     // Caught exception: Store result (exception) in the pending exception
     // field in the JSEnv and return a failure sentinel.  Coming in here the
-    // fp will be invalid because the PushTryHandler below sets it to 0 to
+    // fp will be invalid because the PushStackHandler below sets it to 0 to
     // signal the existence of the JSEntry frame.
     __ mov(ip, Operand(ExternalReference(Isolate::kPendingExceptionAddress,
                                          isolate())));
@@ -1190,11 +1189,10 @@ void JSEntryStub::Generate(MacroAssembler* masm) {
   __ LoadRoot(r0, Heap::kExceptionRootIndex);
   __ b(&exit);
 
-  // Invoke: Link this frame into the handler chain.  There's only one
-  // handler block in this code object, so its index is 0.
+  // Invoke: Link this frame into the handler chain.
   __ bind(&invoke);
   // Must preserve r0-r4, r5-r6 are available.
-  __ PushTryHandler(StackHandler::JS_ENTRY, 0);
+  __ PushStackHandler();
   // If an exception not caught by another handler occurs, this handler
   // returns control to the code after the bl(&invoke) above, which
   // restores all kCalleeSaved registers (including cp and fp) to their
@@ -1231,7 +1229,7 @@ void JSEntryStub::Generate(MacroAssembler* masm) {
   __ Call(ip);
 
   // Unlink this frame from the handler chain.
-  __ PopTryHandler();
+  __ PopStackHandler();
 
   __ bind(&exit);  // r0 holds result
   // Check if the current stack frame is marked as the outermost JS frame.